Question: The Rothschild family has what painting in their collection?
Paraphrase: The Rothschild family has what portray in their collection?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P195 wd:Q159386 . ?sbj wdt:P31 wd:Q3305213 } 
Answer: Archduke Leopold Wilhelm in his Gallery in Brussels, Interior with Figures Playing Tric-trac